399 SR927W SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 05/2028*
Seiko
Free eBay listing template designed by dewiso.com\n\n399 SR927W SEIKO Watch Batteries SEIZAIKEN 1.55V Silver Oxide *EXPIRY 05/2028*\n\nFree upgrade to Royal Mail Tracked 48 delivery service\nOnly if you buy 3 items from the Save.Direct shop\n\n--The Seizaiken 399 (SR927W) is a premium 1.55V high-drain silver oxide button cell battery, manufactured in Japan by Seiko. Designed for devices requiring higher current output, this battery delivers stable, consistent voltage for reliable performance in both analog and digital watches, keyless entry systems, and other precision electronics.\n\nEngineered for durability, these mercury-free cells feature enhanced leak resistance and long-lasting energy output. With compact dimensions of 9.5mm diameter and 2.7mm height, the SR927W fits a wide range of compatible devices.\n\nManufactured at Seiko\u2019s advanced facility in Sendai, Tohoku (Japan), this battery benefits from decades of precision metal processing and watchmaking expertise. Its airtt
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